The Chile Capital of the World Is Running Out of Water
New Mexico’s Hatch Valley faces its biggest test yet.
Science
Biden’s Amazing, Disappointing Climate Triumph
What the president’s deal would mean for the battle against climate change
NASA’s Mission to Jupiter Has Nothing to Do With Jupiter
The tiny asteroids that follow the planet around have secrets to tell.
After 30 Years of Breeding Condors, a Secret Comes Out
‘Virgin birth’ might be more common in animals than we thought.
Democrats Might Give Up on a Methane Tax, and Maybe That’s Okay
Instead of mourning the loss, some climate experts are simply shrugging it off.
Five Big Questions About COVID Vaccines for Kids
With FDA authorization for a kid-size COVID vaccine pending, a pediatrician and infectious-disease expert weighs in on what’s next.
Do You Even Lift, Embryo?
Cuckoos spend their early days murdering fellow nestmates. To pull it off, they start bodybuilding inside the egg.
A Dark-Matter Candidate Has Been Hiding in Plain Sight
Axions just make so much sense.
This Isn’t the Big Telescope Debut NASA Imagined
The James Webb Space Telescope, the long-awaited successor to Hubble, is mired in controversy over its namesake.
The Animal Kingdom Is Full of Genetic Screwballs
All sorts of creatures jettison parts of their own DNA, and scientists have no idea why.